package chapter02;

import javax.swing.text.Style;
import java.util.Scanner;

public class Example09 {
    public static void main(String[] args){
       // int grade=75;
        Scanner scl=new Scanner(System.in);
        int grade = scl.nextInt();

        if (grade>80){
            System.out.println("该成绩的等级为优");
        }else if (grade>70){
            //不满足条件 grade>80 ,单满足条件grade>70
            System.out.println("该成绩的等级为良");
        }else if (grade>60){
            //不满足条件 grade>70 ,单满足条件grade>60
            System.out.println("该成绩的等级为中");
        }else{
            //不满足条件 grade>60
            System.out.println("该成绩的等级为差");
        }
    }
}
